public override void VisitOperatorDeclaration(OperatorDeclaration operatorDeclaration)
{
var resolveResult = _resolver.Resolve(operatorDeclaration);
if (!(resolveResult is MemberResolveResult))
{
_errorReporter.Region = operatorDeclaration.GetRegion();
_errorReporter.InternalError("Operator declaration " + OperatorDeclaration.GetName(operatorDeclaration.OperatorType) + " does not resolve to a member.");
return;
}
var method = ((MemberResolveResult)resolveResult).Member as IMethod;
if (method == null)
{
_errorReporter.Region = operatorDeclaration.GetRegion();
_errorReporter.InternalError("Operator declaration " + OperatorDeclaration.GetName(operatorDeclaration.OperatorType) + " does not resolve to a method (resolves to " + resolveResult.ToString() + ")");
return;
}
var jsClass = GetJsClass(method.DeclaringTypeDefinition);
if (jsClass == null)
{
return;
}
MaybeCompileAndAddMethodToType(jsClass, operatorDeclaration, operatorDeclaration.Body, method, _metadataImporter.GetMethodSemantics(method));
}
public static string GetKey(EnvDTE.CodeElement member)
{
StringBuilder b = new StringBuilder();
if ((member.Kind == EnvDTE.vsCMElement.vsCMElementDelegate) ||
(member.Kind == EnvDTE.vsCMElement.vsCMElementEnum) ||
(member.Kind == EnvDTE.vsCMElement.vsCMElementInterface) ||
(member.Kind == EnvDTE.vsCMElement.vsCMElementStruct) ||
(member.Kind == EnvDTE.vsCMElement.vsCMElementClass))
{
b.Append("T:");
AppendTypeName(b, member.FullName, true, false);
}
else if (member.Kind == EnvDTE.vsCMElement.vsCMElementNamespace)
{
b.Append("N:");
b.Append(member.FullName);
}
else
{
if (member.Kind == EnvDTE.vsCMElement.vsCMElementVariable)
{
b.Append("F:");
}
else if (member.Kind == EnvDTE.vsCMElement.vsCMElementProperty)
{
b.Append("P:");
}
else if (member.Kind == EnvDTE.vsCMElement.vsCMElementEvent)
{
b.Append("E:");
}
else if (member.Kind == EnvDTE.vsCMElement.vsCMElementFunction)
{
b.Append("M:");
}
int nameIndex = member.FullName.LastIndexOf(member.Name);
string typeName = member.FullName.Substring(0, nameIndex - 1);
string memberName = member.FullName.Substring(nameIndex);
// Name substitutions for special cases.
if (member.Kind == EnvDTE.vsCMElement.vsCMElementFunction)
{
EnvDTE80.CodeFunction2 mr = (EnvDTE80.CodeFunction2)member;
if (mr.FunctionKind == EnvDTE.vsCMFunction.vsCMFunctionConstructor)
{
memberName = memberName.Replace(member.Name, "#ctor");
}
else if (mr.FunctionKind == EnvDTE.vsCMFunction.vsCMFunctionDestructor)
{
memberName = memberName.Replace(member.Name, "Finalize");
}
else if (mr.FunctionKind == EnvDTE.vsCMFunction.vsCMFunctionOperator)
{
if (memberName.StartsWith("implicit operator"))
{
memberName = "op_Implicit";
}
else if (memberName.StartsWith("explicit operator"))
{
memberName = "op_Explicit";
}
else
{
// NRefactory has a handy mapping we can make use of, just need to extract the operator symbol first.
string[] memberNameWords = member.Name.Split(' ');
if (memberNameWords.Length >= 2)
{
string operatorSymbol = memberNameWords[1];
string operatorName = OperatorDeclaration.GetName(OperatorDeclaration.GetOperatorType(operatorSymbol));
if (operatorName != null)
{
memberName = memberName.Replace(member.Name, operatorName);
}
}
}
}
}
else if (member.Kind == EnvDTE.vsCMElement.vsCMElementProperty)
{
if (member.Name == "this")
{
memberName = memberName.Replace(member.Name, "Item");
}
}
string[] genericTypeParameters = AppendTypeName(b, typeName, true, false);
b.Append('.');
string[] genericMethodParameters = AppendTypeName(b, memberName.Replace('.', '#'), true, true);
EnvDTE.CodeElements parameters;
EnvDTE.CodeTypeRef explicitReturnType = null;
if (member.Kind == EnvDTE.vsCMElement.vsCMElementProperty)
{
parameters = ((EnvDTE.CodeProperty)member).Getter.Parameters;
}
else if (member.Kind == EnvDTE.vsCMElement.vsCMElementFunction)
{
EnvDTE80.CodeFunction2 mr = (EnvDTE80.CodeFunction2)member;
parameters = mr.Parameters;
if (memberName == "op_Implicit" || memberName == "op_Explicit")
{
explicitReturnType = mr.Type;
}
}
else
{
parameters = null;
}
if (parameters != null && parameters.Count > 0)
{
b.Append('(');
int i = 0;
foreach (EnvDTE80.CodeParameter2 parameter in parameters)
{
if (i > 0)
{
b.Append(',');
}
AppendParameterTypeName(b, parameter, genericTypeParameters, genericMethodParameters);
++i;
}
b.Append(')');
}
if (explicitReturnType != null)
{
b.Append('~');
AppendTypeName(b, explicitReturnType.AsFullName, true, false);
}
}
return(b.ToString());
}